<?php
namespace app\admin\model;

use think\Model;
use think\Session;
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/**
 * Description of Subject
 *
 * @author xpz
 */
class Subject extends Model{
    protected $name = 'subject';
    
     protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'add_time';
}
